<template>
  <el-row class="container">
    <!--头部-->
    <el-col :span="24" class="topbar-wrap">
      <div class="topbar-logo topbar-btn">
        <a href="/">
          <img src="../assets/logo.png" style="padding-left:8px;">
        </a>
      </div>
      <div class="topbar-logos" v-show="!collapsed">
        <a href="/">
          <img src="../assets/logotxt.png">
        </a>
      </div>
      <div class="topbar-title">
        <span style="font-size: 18px;color: #fff;"></span>
      </div>
      <div class="topbar-account topbar-btn">
        <el-dropdown trigger="click">
          <span class="el-dropdown-link userinfo-inner">
            <i class="iconfont icon-user"></i>
            {{nickname}}
            <i class="iconfont icon-down"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item>
              <div @click="jumpTo('/user/profile')">
                <span style="color: #555;font-size: 14px;">个人信息</span>
              </div>
            </el-dropdown-item>
            <el-dropdown-item>
              <div @click="jumpTo('/user/changepwd')">
                <span style="color: #555;font-size: 14px;">修改密码</span>
              </div>
            </el-dropdown-item>
            <el-dropdown-item divided @click.native="logout">退出登录</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </div>
    </el-col>

    <!--中间-->
    <el-col :span="24" class="main">
      <!--左侧导航-->
      <aside :class="{showSidebar:!collapsed}">
        <!--展开折叠开关-->
        <div class="menu-toggle" @click.prevent="collapse">
          <i class="fa fa-bars" v-show="!collapsed"></i>
          <i class="fa fa-bars fa-rotate-90" v-show="collapsed"></i>
        </div>
        <!--导航菜单-->
        <el-menu :default-active="defaultActiveIndex" :collapse="collapsed" @select="handleSelect">
          <template v-for="(item,index) in menus" v-if="item.menuShow">
            <el-submenu v-if="!item.leaf" :index="index+''">
              <template slot="title">
                <i :class="item.iconCls"></i>
                <span slot="title">{{item.name}}</span>
              </template>
              <el-menu-item
                v-for="term in item.children"
                :key="term.path"
                :index="term.path"
                v-if="term.menuShow"
                :class="$route.path==term.path?'is-active':''"
              >
                <i :class="term.iconCls"></i>
                <span slot="title">{{term.name}}</span>
              </el-menu-item>
            </el-submenu>
            <el-menu-item
              v-else-if="item.leaf&&item.children&&item.children.length"
              :index="item.children[0].path"
              :class="$route.path==item.children[0].path?'is-active':''"
            >
              <i :class="item.iconCls"></i>
              <span slot="title">{{item.children[0].name}}</span>
            </el-menu-item>
          </template>
        </el-menu>
      </aside>

      <!--右侧内容区-->
      <!--右侧内容区-->
      <section
        class="content-container"
        v-loading="$store.state.loading"
        element-loading-text="拼命加载中"
        element-loading-spinner="el-icon-loading"
        element-loading-background="rgba(255, 255, 255, 0)"
      >
        <div class="grid-content bg-purple-light">
          <el-col :span="24" class="content-wrapper">
            <transition name="fade" mode="out-in">
              <router-view></router-view>
            </transition>
          </el-col>
        </div>
      </section>
    </el-col>
  </el-row>
</template>

<script>
  import {bus} from "../bus.js";
  import API from "../api/api_user";

  export default {
    name: "home",
    created() {
      bus.$on("setNickName", text => {
        this.nickname = text;
      });

      bus.$on("goto", url => {
        if (url === "/login") {
          localStorage.removeItem("access-user");
        }
        this.$router.push(url);
      });
      this.defaultActiveIndex = this.$route.path;
    },
    data() {
      return {
        defaultActiveIndex: "0",
        nickname: "",
        collapsed: false,
        menus: []
      };
    },
    methods: {
      handleSelect(index) {
        if (index.indexOf("http") != -1) {
          window.open(index);
        } else {
          this.$router.push(index);
        }
      },
      //折叠导航栏
      collapse: function () {
        this.collapsed = !this.collapsed;
      },
      jumpTo(url) {
        if (url.indexOf("http") != -1) {
        } else {
          this.defaultActiveIndex = url;
          this.$router.push(url); //用go刷新
        }
      },
      logout() {
        let that = this;
        this.$confirm("确认退出吗?", "提示", {
          confirmButtonClass: "el-button--warning"
        })
          .then(() => {
            //确认
            that.loading = true;
            let token = localStorage.getItem("access-token")
            localStorage.removeItem("access-token");
            localStorage.removeItem("menus");
            API.logout({token: token}).then(function (res) {
              that.$message.error({
                showClose: true,
                message: res.msg,
                duration: 2000
              });
            });
            that.$router.go("/login"); //用go刷新
          })
          .catch(() => {
          });
      }
    },
    mounted() {

      let that = this;
      API.router().then(
        function (result) {
          that.menus = result.router;
        }
      )
      API.tokenUser()
        .then(function (result) {
          that.nickname = result.name;
        })
        .catch(() => {
          localStorage.removeItem("access-token");
          that.$router.go("/login"); //用go刷新
        });
    }
  };
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="scss">
  .container {
    position: absolute;
    top: 0px;
    bottom: 0px;
    width: 100%;

    .topbar-wrap {
      height: 50px;
      line-height: 50px;
      background: #373d41;
      padding: 0px;

      .topbar-btn {
        color: #fff;
      }

      /*.topbar-btn:hover {*/
      /*background-color: #4A5064;*/
      /*}*/
      .topbar-logo {
        float: left;
        width: 59px;
        line-height: 26px;
      }

      .topbar-logos {
        float: left;
        width: 120px;
        line-height: 26px;
      }

      .topbar-logo img,
      .topbar-logos img {
        height: 40px;
        margin-top: 5px;
        margin-left: 2px;
      }

      .topbar-title {
        float: left;
        text-align: left;
        width: 200px;
        padding-left: 10px;
        border-left: 1px solid #000;
      }

      .topbar-account {
        float: right;
        padding-right: 12px;
      }

      .userinfo-inner {
        cursor: pointer;
        color: #fff;
        padding-left: 10px;
      }
    }

    .main {
      display: -webkit-box;
      display: -webkit-flex;
      display: -ms-flexbox;
      display: flex;
      position: absolute;
      top: 50px;
      bottom: 0px;
      overflow: hidden;
    }

    aside {
      min-width: 50px;
      background: #2f4050;

      &::-webkit-scrollbar {
        display: none;
      }

      &.showSidebar {
        overflow-x: hidden;
        overflow-y: auto;
      }

      .el-menu {
        height: 100%; /*写给不支持calc()的浏览器*/
        height: -moz-calc(100% - 80px);
        height: -webkit-calc(100% - 80px);
        height: calc(100% - 80px);
        border-radius: 0px;
        background-color: #2f4050;
        border-right: 0px;
      }

      .el-submenu .el-menu-item {
        min-width: 60px;
      }

      .el-menu {
        width: 180px;
      }

      .el-menu--collapse {
        width: 60px;
      }

      .el-menu .el-menu-item,
      .el-submenu .el-submenu__title {
        height: 46px;
        line-height: 46px;
      }

      .el-menu-item:hover,
      .el-submenu .el-menu-item:hover,
      .el-submenu__title:hover {
        background-color: #293846;
        color: #fff;
      }
    }

    .menu-toggle {
      background: #4a5064;
      text-align: center;
      color: white;
      height: 26px;
      line-height: 30px;
    }

    .content-container {
      background: #fff;
      flex: 1;
      overflow-y: auto;
      padding: 10px;
      padding-bottom: 1px;

      .content-wrapper {
        background-color: #fff;
        box-sizing: border-box;
      }
    }
  }
</style>
